Internal-combustion engines – Oscillating piston – Toroidal cylinder
Patent
1996-07-24
1998-04-21
Okonsky, David A.
Internal-combustion engines
Oscillating piston
Toroidal cylinder
123 18A, F02B 5300
Patent
active
057407657
ABSTRACT:
A rotary piston internal combustion engine includes a housing defining a cylinder chamber in the form of a circular ring. An even number of pistons circulate in the piston chamber and are of a circular cross-section adapted to the cylinder chamber. Two piston carriers mounted rotatably about the axis of the cylinder chamber each carry half the number of pistons, the peripheral surfaces of the piston carriers being such that they supplement the internal surface of the cylinder chamber to constitute a circular cross-section which corresponds to the pistons and against which piston rings on the pistons seal. At least one sealing ring is accommodated between the piston carriers and between each piston carrier and an oppositely disposed wall of the housing in an annular groove of the housing or a piston carrier respectively. The sealing ring bears against a co-operating surface of the respective piston carrier under a force which acts out of the annular groove.
REFERENCES:
patent: 1778182 (1930-10-01), Bullington
patent: 3516392 (1970-06-01), Morgan
patent: 3644069 (1972-02-01), Stewart
patent: 4951615 (1990-08-01), Pahis
patent: 5203287 (1993-04-01), Wiley
patent: 5222463 (1993-06-01), Farrell
patent: 5363813 (1994-11-01), Paarlberg
Ball Wilfried
Ronnberg Peter
Okonsky David A.
Pelz Peter
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